Home / 4,764.76-7,137.39-2,812.25

Finding the Fourth Proportional to 4,764.76, 7,137.39 and 2,812.25

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Solution

The fourth proportional to 4,764.76, 7,137.39 and 2,812.25 is: 4,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.76 : 7,137.39 = 2,812.25 : x
  2. Step 2: Convert to fraction form
    4,764.76/7,137.39 = 2,812.25/x
  3. Step 3: Cross multiply
    4,764.76x = 7,137.39 × 2,812.25
  4. Step 4: Simplify right side
    4,764.76x = 20,072,125.03
  5. Step 5: Solve for x
    x = 20,072,125.03/4,764.76
  6. Step 6: Final answer
    x = 4,212.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.